/Engine/Plugins/VirtualProduction/DMX/DMXEngine/Source/DMXRuntime/Public/Sequencer/MovieSceneDMXLibrarySection.h
Returns the channel for specified patch or nullptr if the patch is not in use
[FDMXFixturePatchChannel](API\Plugins\DMXRuntime\Sequencer\FDMXFixturePatchChannel) * GetPatchChannel ( [UDMXEntityFixturePatch](API\Plugins\DMXRuntime\Library\UDMXEntityFixturePatch) * Patch )